efibootmgr help

[Paul Cartwright]

On 08/28/2015 04:22 AM, Tom H wrote:
> On Thu, Aug 27, 2015 at 6:58 AM, Paul Cartwright <pbcartwright at gmail.com> wrote:
>
>  
> grub2-mkconfig works, but grub2-install /dev/sda gives me an error
> grub2-install /dev/sda
> grub2-install: error: /usr/lib/grub/x86_64-efi/modinfo.sh doesn't exist.
> Please specify --target or --directory.
> The message is clear. Use "grub2-install --target=x86_64-efi
> --efi-directory=/boot/efi /dev/sda"
I thought he said not to use grub2-install on UEFI systems..
>  
> Boot001A* ubuntu
> You've set Ubuntu to be the default efi binary.
>
> You'd have to run "efibootmgr -o 0002,..." to set Fedora as the default.
and I did, and it works..
>
>
>> is there a good manual somewhere for efibootmgr??
> efibootmgr -h
yeah, not a lot of help.. but this thread was:)
efibootmgr -o xxxxx was the key...

>
>
>> I thought when a new kernel was installed, grub would automagically add
>> it... not with efi?
> Because you're using Ubuntu's grub. So you'd have to boot into Ubuntu
> and run "update-grub" in order to add the latest Fedora kernel to the
> Ubuntu grub mennu.
mmm in ubuntu I did grub-mkconfig & grub-install, but I didn't do the
update-grub.. next time I boot ubuntu...


-- 
Paul Cartwright
Registered Linux User #367800 and new counter #561587